Compiled by the Rebbe, Rabbi Menachem Mendel Schneerson, of righteous memory, in 1942, upon the instructions of his father-in-law, the Previous Rebbe, Hayom Yom is an anthology of Chasidic aphorisms and customs arranged according to the days of the year. It has since become a beloved classic work and a source of daily inspiration.

Kehot Publication Society and Merkos Publications, the publishing divisions of the Lubavitch movement have brought Torah education to nearly every Jewish community in the world. More than 100,000,000 volumes have been disseminated to date in over 12 languages, both for newcomer as well as for those well versed in Torah knowledge.